Female fertility depends on the successful growth and maturation of eggs (oocytes) within ovarian follicles. Within these ...

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

We've all heard of menopause: a supposedly terminal moment for the female reproductive system, in which the ovaries stop ...

Over two centuries ago, tropical medicine and colonial administration brought the debilitating effects of heat into focus in ...

When a female animal mates and then retains sperm inside her reproductive tract, it’s known as sperm storage. The process enables sperm to be stored alive and well for prolonged periods and then used ...

Baboons are one of the most widespread of Africa's primate groups. They range across sub-Saharan Africa and into the Arabian ...

"The male side gets totally overlooked." It took more than a year, and a failed round of IVF, until Luke was told there might be an issue with his sperm. "I was like, 'Now you're telling me?'" he says ...

Aging affects every organ in the body, yet we still know little about how the ovary changes over time. In a new study published in Nature Aging, Yale researchers created one of the most detailed maps ...

The Trump administration is using a US federal funding provision to make abortion care less accessible, threatening states with devastating federal funding cuts for protecting the right to abortion.

Many of the terms associated with the Secure System process can sound technical at first. However, the concept becomes much easier to understand when you start with the basics. Virtualization is a ...

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A group of 128 Democratic members of Congress is calling on the federal government to prevent a funding shortfall for reproductive health clinics in two weeks. The letter, first shared with NPR, was ...